GlideRite - 1835-Z (5 Pair Pack) 18-inch 70 lb. Full Extension Ball Bearing Drawer Slides with 1" Over-Travel 5-sets of 70# GlideRite 35 Series full extension slides with 1" over-travel Side mounted, non handed design, positive stop Steel ball-bearing action slides that are remarkably smooth and quiet Lever disconnect for easy drawer removal Length: 18" (450mm) - Available in sizes 14 to 22-inches (350mm to 550mm)